shot-blasting surface

Surface water sources can be contaminated through runoff ( drainage), atmospheric deposition, and, on a local level, by leaching of lead from game shot or fishing sinkers.

地表水源可以通过排水、大气沉积而被污染，局部地区地表水源的铅水平可能是由于打猎子弹或钓鱼铅锤中的铅溶出造成的。

The films of PI/ SiO2 and PI, which produced by ourselves, are made to break down under high electric field, and the surface defeature of films and the microstructure of the shot hole are studied using SEM.

利用耐局部放电系统对自制的PI/SiO2薄膜和PI薄膜在强电场作用下做击穿试验，采用扫描电镜观察薄膜表面损伤形貌及击穿孔附近微结构特征。

The feasibility of improving K 417 fatigue life by surface shot peening and recrystallization was studied.

研究了采用喷丸再结晶方法提高K417合金疲劳寿命的可行性.

A Ukrainian government official has said that the plane was shot down by a Russian-made Buk surface-to-air missile, though no group or nation has taken responsibility.

乌克兰政府部门官员称飞机是被俄制地对空导弹袭击，尽管还没有国家或是组织对该事件负责。

Effect of Shot Peening on the Surface Stress Profile of Car Gear

喷丸强化对轿车用新型齿轮钢表面应力状态影响的研究

For dipping bed and/ or a sloping ground surface, field statics got from shallow refraction surveys shot from only one end may be in great error.

在地下界面或地表倾斜时，用小折射单边观测方法计算表层静校正量会造成比较大的误差。

Study on Surface Nano-crystallization by Adding Pressure Shot Peening and Its Effect on Wear Resistance

45钢表面增压喷丸纳米化及其耐磨性研究

A Technological Test for Gear Surface Shot Peening Intensification

齿轮表面喷丸强化的工艺试验

As the pit forms, it damages the shot-peened layer locally at the surface.

斑点形成后, 它会损伤局部表面的喷丸层.

RESULTS: ① When measuring skin area over tissue expander or surface area of the shot by wet-cloth sampling method, coefficients of variation were all less than 2%.

结果：①采用湿布取样法重复测量的扩张器表面皮肤面积和铅球表面积，其变异系数均小于2%。